FREE SHIPPING ON PARTS ORDERS OVER $900

441" LS Short Block – LS Specialties

441" LS Short Block

-
+

Fire up your LS build with this 441" Short Block, your go-to for turbocharged street rockets and drag strip champs! Designed for LS platforms like LS3 or LSX with a 4.125" bore, it’s built to handle 1000-1400hp with ease, perfect for single-turbo street cars or moderate drag setups. This short block comes loaded with a pre-installed camshaft kit, sealed-up components, and a turbo-ready oil pan for boost-hungry builds. Want to nail the perfect setup? Call 210-446-0960 for head and tuning advice!

Check out what’s inside this 441" LS short block:

Component 441" LS Short Block Details
Block Dart SHP Iron, 6 Bolt 7/16" Head Threads, 7/16" Main Bolts, 4.125" Bore
Crankshaft 4340 Forged Steel, Internal Balance, 4.125" Stroke, 58x
Connecting Rods 4340 Forged Steel H-Beam, ARP2000 Bolts, 6.125" Length
Pistons JE 2618 Forged Aluminum, Coated Skirts, 5cc Flat Tops
Rings Stainless Steel Top, Napier 2nd, Low Tension Oil

Included Kits:

  • Camshaft Kit: Forged Camshaft, Gaterman Link-Bar Hydraulic Roller Lifters, 4x Timing Set (pre-installed)
  • Sealed-Up Kit: Melling 10295 Oil Pump, GM Rear Main Seal Cover, Gen IV Front Timing Cover, LS Valley Cover, Turbo Oil Pan (pre-installed)

Build Tip: This short block is a champ for LS3-based street cars hitting 1000-1200hp with a single turbo, or LSX drag builds pushing 1200-1400hp. Its turbo oil pan is a game-changer for boost control—pair it with forged pistons and high-flow heads for max power!

Installation Notes: Clearances are pre-set for 1000-1400hp turbo setups, but a pro builder should verify fitment for your application (turbo, supercharged, or NA). We’re not liable for damage from improper installation or user-added parts.

Sales Policy: Short blocks are custom-built and non-returnable. All sales are final, so confirm your LS build specs before ordering!

close check Thank you for signing up!
close
Loading